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I bought the 100 sight word book earlier in the year and now my daughter is 5 this one is equally very educational. It's very straight forward and there are so many relevant excercises in there for younger ones. This has been a great tool to help with home schooling through lockdown
I bought this for my 4 yrs old daughter. She is about to start reception and she enjoyed the book a lot. Some of the exercises for writing was a bit hard for her so maybe better for 5-6yrs old but still good for anyone who is starting to write the letters now.